Our Leadership Team

Sarah Dinklage, LICSW
Chief Executive Officer
Sarah is a licensed independent clinical social worker with over 40 years of experience developing and implementing evidence-based programs for children, youth, and families. As the founding director of RISAS, Sarah is recognized for her leadership and expertise in the delivery of school-based mental health and substance use services. Sarah’s super power is her ability to recruit, hire, and maintain the most talented and dedicated workforce in the region.

Kathleen Sullivan
Director, Community Prevention/Kent County Regional Prevention Coalition
Kathy, an Advanced Certified Prevention Specialist, has been a community prevention coalition leader in Rhode Island for over 17 years. Kathy is widely recognized for her contributions to prevention in RI. She has also worked in the substance treatment field in the UK. Kathy enjoys rowing, sewing, walking her dog with friends, and mentoring youth.

Heidi Driscoll
Director, South County Regional Prevention Coalition
Heidi is an Advanced Certified Prevention Specialist with a master’s degree in education. She has been recognized locally and nationally as a leader in the prevention field, an area she has worked in for the past 10 years.

Colleen Judge, LMHC
Director, School-Based Services
Colleen is a licensed mental health counselor with over 25 years of experience in the counseling field, including student assistance, employee assistance, and private individual and family psychotherapy. Colleen is known as “Mom” to four young adults and one puppy. When she is not at work providing training and clinical supervision to student assistance counselors or managing RISAS projects, she is likely outdoors, hiking, kayaking, skiing, biking, or in the kitchen cooking with the music blasting.

Sue Davis, LICSW
Manager, Student Assistance Services
Sue was a student assistance counselor with RISAS for 29 years before becoming a manager in 2018. She has a special fondness for middle school youth, but loves training and teaching people of all ages. Sue enjoys all forms of social dancing, quiet walks in the woods, and international travel.

Teri Gregg, LICSW
Manager, Student Assistance Services
Teri was a student assistance counselor with RISAS for 7 years before becoming a clinical supervisor. She has maintained a private practice since 1997 and has run several prevention programs and worked in adolescent treatment and intervention. In her free time, Teri enjoys gardening, playing guitar, pottery, canning, and reading.

Diane Ferrara, LICSW
Manager, Student Assistance Services
Diane was a student assistance counselor with RISAS for 20 years before becoming a clinical supervisor in 2021. She has been in private practice as a psychotherapist since 1999. In her free time, Diane enjoys spending time with family and friends, reading, meditating, hiking, and painting.

Leigh A. Reposa, LICSW
Manager, Youth Suicide Prevention Program
Leigh has been with the Rhode Island Youth Suicide Prevention Program (RIYSPP) since 2009. Leigh and members of RIYSPP train and educate adults and youth throughout the state about the warning signs for suicide, risk and protective factors, and how to get a young person connected with help. Leigh enjoys spending time with her husband and their two dogs, visiting area beaches, hiking, and running.
RISAS is a Recovery Friendly Workplace and an equal opportunity employer.


